*,
*:after,
*:before {
  box-sizing: border-box;
}

html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section,
summary,
time,
mark,
audio,
video,
input {
  margin: 0;
  padding: 0;
  border: none;
  outline: 0;
  font-family: STHeitiSC-Light;
  font: inherit;
  vertical-align: baseline;
}

html,
body,
form,
fieldset,
p,
div,
h1,
h2,
h3,
h4,
h5,
h6 {
  -webkit-text-size-adjust: none;
}

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}

body {
  font-family: arial, sans-serif;
}

ol,
ul {
  list-style: none;
}

blockquote,
q {
  quotes: none;
}

blockquote:before,
blockquote:after,
q:before,
q:after {
  content: '';
  content: none;
}

ins,
a {
  text-decoration: none;
}

del {
  text-decoration: line-through;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

img {
  display: inline-block;
}

input,
textarea {
  border: none;
  background: none;
  outline: none;
  -webkit-appearance: none;
}

* {
  -webkit-tap-highlight-color: transparent;
  -moz-tap-highlight-color: transparent;
  -ms-tap-highlight-color: transparent;
  -o-tap-highlight-color: transparent;
}

.a {
  width: 100px;
  height: 100px;
  margin: 300px auto;
  border-radius: 50%;
  position: relative;
}

.a ul li {
  width: 10px;
  height: 40px;
  background: #CCC;
  position: absolute;
  top: -50px;
  left: 50%;
  margin-left: -15px;
  transform-origin: 15px 100px;
  animation: ff 1.2s infinite;
}

.a ul li:nth-child(2) {
  transform: rotate(30deg);
  animation-delay: .1s;
}

.a ul li:nth-child(3) {
  transform: rotate(60deg);
  animation-delay: .2s;
}

.a ul li:nth-child(4) {
  transform: rotate(90deg);
  animation-delay: .3s;
}

.a ul li:nth-child(5) {
  transform: rotate(120deg);
  animation-delay: .4s;
}

.a ul li:nth-child(6) {
  transform: rotate(150deg);
  animation-delay: .5s;
}

.a ul li:nth-child(7) {
  transform: rotate(180deg);
  animation-delay: .6s;
}

.a ul li:nth-child(8) {
  transform: rotate(210deg);
  animation-delay: .7s;
}

.a ul li:nth-child(9) {
  transform: rotate(240deg);
  animation-delay: .8s;
}

.a ul li:nth-child(10) {
  transform: rotate(270deg);
  animation-delay: .9s;
}

.a ul li:nth-child(11) {
  transform: rotate(300deg);
  animation-delay: 1s;
}

.a ul li:nth-child(12) {
  transform: rotate(330deg);
  animation-delay: 1.1s;
}

@keyframes ff {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
